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Listed under:  Algebra  >  Functions and relations

### How do interest rates work?

What are interest rates? What determines the interest rates in Australia? And how do interest rates affect the economy? Listen as Dr Ashton de Silva explains.

### BTN: Bank loans

When we need to buy a house we usually have to take out a loan from the bank. We have to pay back that loan with interest. A \$350,000 loan can mean paying back \$869,000! Listen to Nathan Bazley explain why a small change in interest rates can mean a big difference to the total amount you repay. This clip provides a context ...

### My Five Cents: What is compound interest?

Compound interest will be one of the most important things you ever learn. Don't believe it? Gen Fricker will explain why. Learn how compound interest works, and why saving now can help you later. Game changer! Then test yourself with ASIC MoneySmart's "Things to think about" classroom exercises.

### Desmos Graphing Calculator - Google Play app

Plot functions, create tables, add sliders and animate your graphs. Touch points of interest on the graph to show maximums, minimums and points of intersection. Type in an equation and watch the calculator solve the problem. Free when reviewed on 12/5/2015.

### Laptop wrap: Investing wisely

In this laptop-friendly resource, students investigate unit pricing and explore the formulae and concepts of simple and compound interest.

### Algebra four

This is an interactive game for two students in which they solve algebraic equations, similar to 'Connect four'. The players can choose from problems that are one- or two-step, quadratic, have distributive properties or have variables on both sides, and more than one problem type can be chosen. The length of time each player ...

### TIMES Module 34: Number and Algebra: quadratic equations - teacher guide

This is a 19-page guide for teachers. It introduces quadratic equations and methods for solving them.

### Sites2See – applied mathematics

This collection of resources for Applied Mathematics has helpful links for the six Focus Studies - Communication, Driving, Design, Household Finance, Human Body and Personal Resource Usage. A laptop-friendly resource.

### The financial wizard's apprentice

The Financial wizard’s apprentice is a web-based multimedia resource providing interactive investigation of financial mathematics. After completing a multiple-choice ‘recruitment test’ reviewing some simple consumer arithmetic, the student begins their apprenticeship and advises their client on a range of financial matters.

### MoneySmart: Reaching goals: What's involved?

This unit of work students learn about financial planning through the characters Cathy and Dinuka who are Year 10 students planning to go on a holiday together at the end of Year 12. Students learn about goal setting, saving, borrowing, investing, working with compound interest, good and bad credit, depreciation and inflation.

### Secondary mathematics: different representations

These seven learning activities, which focus on 'representations' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers use different representations ...